#233588#233588

#233588 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.140 H 269.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#233588
RGB	rgb(35, 53, 136)
HSL	hsl(229, 59%, 34%)
HSV	hsv(229, 74%, 53%)
CMYK	cmyk(74.3%, 61%, 0%, 46.7%)
CIE-LAB	lab(25.80, 23.32, -48.49)
CIE-LCH	lch(25.80, 53.80, 295.68°)
OKLab	oklab(36.93% -0.0023 -0.1399)
OKLCH	oklch(36.93% 0.14 269)
XYZ	xyz(6.4086, 4.6804, 23.8534)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233588 #887623

analogous

#236788 #233588 #432388

triadic

#233588 #882335 #358823

tetradic

#233588 #882367 #887623 #238843

square

#233588 #882367 #887623 #238843

split-complementary

#233588 #884323 #678823

monochromatic

#0A0F27 #162257 #233588 #3048B9 #536AD3

Accessibility & contrast

On white

10.85

#233588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#233588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233588

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233588	#FFFFFF	#000000	##FFFFFF
##233588	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428B

Deuteranopia (green-blind)

#003986

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233588;
/* rgb */ color: rgb(35, 53, 136);
/* oklch */ color: oklch(36.9% 0.140 269.0);

Tailwind

colors: {
  custom: {
    50: '#6d6cab',
    500: '#233588',
    950: '#000000',
  },
}

SCSS

$custom: #233588;
$custom-light: #6d6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#233588",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 136
  },
  "hsl": {
    "h": 229.307,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36934,
    "c": 0.13994,
    "h": 269
  },
  "luminance": 0.04681
}

Semantic roles & 50–950 ramp

primary

#233588

secondary

#B7A450

accent

#C646E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #233588

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →